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// proxytrackmodel.h
// Created 10/22/2009 by RJ Ryan (rryan@mit.edu)
#ifndef PROXYTRACKMODEL_H
#define PROXYTRACKMODEL_H
#include <QSortFilterProxyModel>
#include <QAbstractItemModel>
#include "library/trackmodel.h"
// ProxyTrackModel composes a TrackModel inside of a QSortFilterProxyModel so
// that the sorting and filtering of the QSortFilterProxyModel can be completely
// transparent to the user of the TrackModel. The ProxyTrackModel will
// automatically translate any QModelIndex's to their source index before
// calling the composed TrackModel. If the bHandleSearches flag is set, the
// TrackModel search calls will not be delivered to the composed TrackModel
// because filtering is handled by the QSortFilterProxyModel.
class ProxyTrackModel : public QSortFilterProxyModel, public TrackModel {
public:
// Construct a new ProxyTrackModel with pTrackModel as the TrackModel it
// composes. If bHandleSearches is true, then search signals will not be
// delivered to pTrackModel -- instead the ProxyTrackModel will do its own
// filtering.
ProxyTrackModel(QAbstractItemModel* pTrackModel, bool bHandleSearches=true);
virtual ~ProxyTrackModel();
virtual TrackPointer getTrack(const QModelIndex& index) const;
virtual QString getTrackLocation(const QModelIndex& index) const;
virtual TrackId getTrackId(const QModelIndex& index) const;
virtual const QLinkedList<int> getTrackRows(TrackId trackId) const;
virtual void search(const QString& searchText,const QString& extraFilter=QString());
virtual const QString currentSearch() const;
virtual bool isColumnInternal(int column);
virtual bool isColumnHiddenByDefault(int column);
virtual void removeTracks(const QModelIndexList& indices);
virtual void moveTrack(const QModelIndex& sourceIndex,
const QModelIndex& destIndex);
void deleteTracks(const QModelIndexList& indices);
virtual QAbstractItemDelegate* delegateForColumn(const int i, QObject* pParent);
virtual TrackModel::CapabilitiesFlags getCapabilities() const;
bool filterAcceptsRow(int sourceRow, const QModelIndex& sourceParent) const;
virtual QString getModelSetting(QString name);
virtual bool setModelSetting(QString name, QVariant value);
void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
private:
TrackModel* m_pTrackModel;
QString m_currentSearch;
bool m_bHandleSearches;
};
#endif /* PROXYTRACKMODEL_H */
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